nixos/defaults.nix

   1 { pkgs, lib, config, ... }:
   2 let inherit (lib) types;
   3 in
   4 {
   5 imports = [
   6   ./modules.nix
   7   ./defaults/predictable-interface-names.nix
   8 ];
   9 config = {
  10   nix = {
  11     #binaryCaches = lib.mkForce [];
  12     extraOptions = ''
  13     '';
  14     # Use gc.automatic to keep disk space under control.
  15     gc = {
  16       automatic = true;
  17       dates = "weekly";
  18       options = "--delete-older-than 30d";
  19     };
  20     nixPath = [
  21       ("nixpkgs=" + toString pkgs.path)
  22     ];
  23   };
  24
  25   nixpkgs = {
  26     config = {
  27       allowUnfree = false;
  28       /*
  29       packageOverrides = pkgs: {
  30         postfix = pkgs.postfix.override {
  31           withLDAP = true;
  32         };
  33       };
  34       */
  35     };
  36     #overlays = import ../overlays.nix;
  37   };
  38
  39   documentation.nixos = {
  40     enable = false; # NOTE: useless on a server, and CPU intensive.
  41   };
  42
  43   # Clean /tmp automatically on boot.
  44   boot.cleanTmpDir = true;
  45
  46   time = {
  47     timeZone = "Europe/Paris";
  48   };
  49
  50   i18n = {
  51     defaultLocale = "fr_FR.UTF-8";
  52   };
  53
  54   console = {
  55     font   = "Lat2-Terminus16";
  56     keyMap = "fr";
  57   };
  58
  59   services = {
  60     openssh = {
  61       enable = true;
  62       passwordAuthentication = false;
  63       extraConfig = ''
  64       '';
  65     };
  66     journald = {
  67       extraConfig = ''
  68         SystemMaxUse=50M
  69       '';
  70     };
  71   };
  72
  73   environment = {
  74     systemPackages = with pkgs; [
  75       binutils
  76       #dnsutils
  77       dstat
  78       htop
  79       inetutils
  80       iotop
  81       lsof
  82       mailutils
  83       multitail
  84       ncdu
  85       pv
  86       swaplist
  87       tcpdump
  88       tmux
  89       tree
  90       vim
  91       which
  92     ];
  93
  94     etc."inputrc".text = lib.readFile defaults/readline/inputrc;
  95   };
  96
  97   programs = {
  98     bash = {
  99       interactiveShellInit = ''
 100         bind '"\e[A":history-search-backward'
 101         bind '"\e[B":history-search-forward'
 102
 103         # Ignore duplicate commands, ignore commands starting with a space
 104         export HISTCONTROL=erasedups:ignorespace
 105         export HISTSIZE=42000
 106
 107         # Append to the history instead of overwriting (good for multiple connections)
 108         shopt -s histappend
 109       '';
 110       shellAliases = {
 111         cl = "clear";
 112         l  = "ls -alh";
 113         ll = "ls -l";
 114         ls = "ls --color=tty";
 115         mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
 116
 117         s="sudo systemctl";
 118         s-u="systemctl --user";
 119
 120         nixos-clean="sudo nix-collect-garbage -d";
 121         nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
 122         nixos-rollback="sudo nixos-rebuild switch --rollback";
 123         nixos-update="sudo nix-channel --update";
 124         nixos-upgrade="sudo nixos-rebuild switch";
 125         nixos-upstream="sudo nix-channel --list";
 126       };
 127     };
 128     mtr.enable = true;
 129   };
 130 };
 131 }